If you make it easier for a search engine to learn what’s on your website, the search engine will reward you with better rankings or better descriptions in the results pages (SERP). For example, you can help Google (Bing, Yahoo, Yandex, Baidu,..) to recognize videos on your site by adding markup data to the video. The exact specification how you can do that can be found at schema.org . Here’s a more reasonable approach, useful if your video is already on YouTube, Vimeo or any other hosting service. Here is an example how Google wants you to markup a video : Video: Title...